Virtualizing machines using KVM and qemu is pretty darn easy. This is a quick guide how to setup KVM virtualization on a host system running Arch Linux, NOT using livbirt. Of course this applies to other distibutions as well, but the commands covered will be Arch and/or systemd specific. To improve performance of the guests, I will use some parameters from IBMs “Best practices for

We use HP servers. I don’t like the fact that we do, but it is how it is. I want do a simple task: Upgrade the firmware of the HP Smart Array P420 SAS RAID controller (which actually is a HP branded PMC-Sierra SRC 8x6G). On probably every other RAID controller this is really easy: Lookup model

We run a Postfix mailserver which we are monitoring with Zabbix. As Zabbix can generate nice graphs, why not add some statistical graphs for Postfix? After a bit of searching, I found this nice howto. The problem is that this way uses active checks (client sends data to the Zabbix server) but we want passive checks (Zabbix

When you monitor a high number of hosts in Zabbix, mass updates can be a pain (for 1000 hosts with 100 hosts displayed per page you still have to go through 10 pages and click select all on each one). You probably want to use the API and script things. Thats what I do. Here is

The Microsoft Surface Pro, Pro 2 and Pro 3 fetch all needed device drivers from Windows Update. This is a very neat thing because you don’t have to bother with searching and manually installing them. The only problem I see there is that the graphics drivers for the Intel HD Graphics chipset are not up to date with the